22142350 has 24 divisors (see below), whose sum is σ = 41559840. Its totient is φ = 8776320.

The previous prime is 22142333. The next prime is 22142359. The reversal of 22142350 is 5324122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3691 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (1731660).

Almost surely, 2^22142350 is an apocalyptic number.

22142350 is a deficient number, since it is larger than the sum of its proper divisors (19417490).

22142350 is a wasteful number, since it uses less digits than its factorization.

22142350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044 (or 4039 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22142350 is about 4705.5658533273. The cubic root of 22142350 is about 280.8069831977.

Adding to 22142350 its reverse (5324122), we get a palindrome (27466472).

The spelling of 22142350 in words is "twenty-two million, one hundred forty-two thousand, three hundred fifty".